It will cause a crash if a level remove from world failed

UE - World Creation - Worldbuilding Tools - World Composition - Apr 21, 2019

While using Rootmotion with blendout, the velocity will always fallback to 0.

UE - Anim - Gameplay - Apr 19, 2019

We skip CalcVelocity for CharacterMovement while HasAnimRootMotion, and we do ExtractedRootMotion.MakeUpToFullWeight() anyway.  This caused problem that when we blend out a rootmotion anim, it will ...

Duplicate the mesh will not duplicate the foliage on it.

UE - World Creation - Worldbuilding Tools - Foliage - Mar 22, 2019

Integer Blueprint variables reset the Bitmask Enum setting when the Editor closes

UE - Framework - Blueprint - Feb 28, 2019

User created Bitmask flag Enumerators are not correctly stored and retrieved from Blueprint Integer variable settings. When the Editor is restarted the value of the Integer's Bitmask Enum is set to ...

Foliage LOD's Screen Size Can't be Set Higher Than 1.5

UE - World Creation - Worldbuilding Tools - Foliage - Jan 31, 2019

Foliage LOD's Screen Size Can't be Set Higher Than 1.5 Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 4827620, 5.1 CL 20024840 ...

nDisplay - DeprojectScreenToWorld alignment is off

UE - Virtual Production - nDisplay - Dec 3, 2018

Using nDisplay DeprojectScreenToWorld does not have proper alignment when clicking on the screen.  [Link Removed] ...

Snap to Bone only updates the UI in the PHat Editor - Constraints still modified when simulated

UE - Simulation - Core - Oct 9, 2018

Even though the constraint appears to be snapped to the bone in the Editor, when it simulates, the skeletal mesh behaves like it was pulled apart I noticed this while verifying [Link Removed]. Even ...

The results of Roughness=1.0 from a constant and from a parameter are different on 4.20.

UE - Graphics Features - Sep 4, 2018

The results of Roughness=1.0 from a constant and from a parameter are different on 4.20. The static bool switch of the following material always returns 1.0. But the results are different.[Link Rem ...

LandscapeStreamingProxy do not properly save z offset from world composition, level property.

UE - World Creation - Worldbuilding Tools - World Composition - Aug 21, 2018

LandscapeStreamingProxy seems not properly saving z offset from level details when using world composition. It is reset to 0 when reopening the project. z position value from level details is saved. ...

Morph Targets fail to record through Persona and Sequence Recorder when set via the event graph

UE - Virtual Production - Tools - Take Recorder - Jul 4, 2018

If you have a set of morph targets which are driven when you record with either the recorder in Persona or Sequence Recorder the resultant animation will not contain any values on the curves. In th ...